import java.util.Scanner;

public class he {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int sum = 0;
        boolean flag = true;// false
        for (int i = 1; i <= 5; i++) {
            System.out.println("请录入第" + i + "门课程成绩:");
            int score = scanner.nextInt();
            if (score < 0 || score > 100) {
                flag = false;
                break;
            }
            sum += score;
        }
        if (flag) {
            System.out.println("总和为:" + sum);
        } else {
            System.out.println("该成绩有误，不列入计算!");
        }
    }
}
